Electrical circuit breaker with rotating arc and self-extinguish

Details Electrical circuit breaker with rotating arc and self-extinguish Electrical circuit breaker with rotating arc and self-extinguish

1993-08-02

1994-09-13

Pellinen, A. D.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3318, H01H 3372

Patent

active

053470974

ABSTRACT:
An arc extinguishing chamber of a pole of an electrical circuit breaker having rotating arc device, the extinguishing chamber operating by self-extinguishing expansion, includes an elongated housing sealed off at both ends by end plates. Coaxially inside the housing there are disposed tubular contacts and a magnetic blowout coil. Along the length of the extinguishing zone defined by the separation distance between the contacts, there is located a sleeve positioned to leave a gap, which allows a top open area of the chamber and a bottom open area of the chamber, located on opposite sides of the extinguishing zone, to communicate. The gap allows the gases to flow between these two areas and fins arranged on a bottom portion of the chamber slow down rotation of the gases to direct them to the extinguishing zone.

REFERENCES:
patent: 4095068 (1978-06-01), Meyer et al.
patent: 4329551 (1982-05-01), Bernard et al.
patent: 5001313 (1991-03-01), Leclercq et al.
patent: 5166483 (1992-11-01), Kersusan et al.

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